GEN 13, Indie Manga from the Tokyo Underground, features Psycho. In a post-apocalyptic future, after nuclear war has destroyed much of the world, Japan has once again closed its borders to the outside world. Again living in isolation, the Japanese people have begun to develop strange mutations. These mutations became commonly known as moryo, a name once given to the grotesque goblins of ancient Japan. These moryo at first were harmless, but they became worse, eventually developing into man-eating beasts and other monstrous forms. Hunters known as exterminators roam the land ridding humanity of these foul mutants. This is the story of one of these killers, a man known only as Psycho.